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Wheel bearing grease seals are critical components in automotive and machinery applications, playing an essential role in the longevity and performance of wheel bearings. These seals are designed to retain lubricant, prevent contaminants from entering the bearing assembly, and protect the bearings from environmental factors, ensuring smooth operation and extending the lifespan of the wheel assembly.

2. Reduced Performance If a hydraulic cylinder is not extending or retracting smoothly, or if it hesitates during operation, this might indicate seal failure or damage.

- Size and Fit The seals must be accurately sized to fit the specific hydraulic cylinder. Using the wrong size can lead to improper sealing and potential failure.